package edu.gatech.oad.antlab.person;

/**
 *  A simple class for person 1
 *  returns their name and a
 *  modified string 
 *  
 *  @author Bob
 *  @version 1.1
 */
public class Person1 {
  /** Holds the persons real name */
  private String name;
  	/**
	 * The constructor, takes in the persons
	 * name
	 * @param pname the person's real name
	 */
  public Person1(String pname) {
    name = pname;
  }
  	/**
	 * This method should take the string
	 * input and return its characters rotated
	 * 2 positions.
	 * given "gtg123b" it should return
	 * "g123bgt".
	 *
	 * @param input the string to be modified
	 * @return the modified string
	 */
	private String calc(String input) {
		char[] chars = input.toCharArray();
		  char[] chars2 = new char[chars.length];
		  
		  //translate the char's of 'chars' to 'chars2'
		  int j=0;
		  for(int i=2;i<chars.length; i++){
			  chars2[j]=chars[i];
			  j++;
		  }
		  
		  //get the last two
		  chars2[chars.length-2]=chars[0];
		  chars2[chars.length-1]=chars[1];
		                           
		  
		  //convert chars2 to a String
		  String result ="";
		  for(int i=0; i<chars2.length; i++){
			  result = result + chars2[i];
		  }
		  
		  return result;
	}
	
	/**
	 * Return a string rep of this object
	 * that varies with an input string
	 *
	 * @param input the varying string
	 * @return the string representing the 
	 *         object
	 */
	public String toString(String input) {
	  return name + calc(input);
	}

}
